A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The to

Question

A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:

Options:

A . 49 m²

B . 50 m²

C . 53.5 m²

D . 55 m²

Answer: Option A

Area of the wet surface = [2(lb + bh + lh) - lb]

= 2(bh + lh) + lb

= [2 (4 x 1.25 + 6 x 1.25) + 6 x 4] m²

= 49 m²

Was this answer helpful ?

Next Question

More Questions on This Topic :

Question 1. A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so a....8 m, the volume of the box (in m3) is:

Question 2. The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter ....m3. Find the ratio of its diameter to its height.

Question 3. A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thicknes....are 5 cm thick. The thickness of the bottom is:

Question 4. What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?....

Question 5. A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the rati....surface areas of the smaller cubes and the large cube?

Question 6. How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm?....

Question 7. A rectangular tank can hold 650 litres of milk . if it is 130cm long & 250cm wide , find the height of the tank? ....

Question 8. A hall is of length 16m , breadth 14m & height 5m . Calculate the no of persons that can be accommodated in the hal....

Question 9. A cylinder container with diameter 48cm contains sufficient water to submerge a rectangular solid of iron with dimensio....

Question 10. The difference between the circumference and radius of a circle is 74 cm. Find the circle diameter? ....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0